The commission is also gathering reaction from those opposed to the $12.5bn purchase, which would combine the maker of what is now the most popular smartphone operating system with a main handset vendor.

IN Technology

Google has maintained that it is not interested in Motorola Mobility primarily for its patents, which it could use to defend other handset makers who use Android from legal challenges by Apple and others. But others fear that a close integration would give Google an unfair advantage over standalone hardware companies.